Continuous glucose monitoring system and methods of use

Abstract

A continuous glucose monitoring system including a sensor configured to detect one or more glucose levels, a transmitter operatively coupled to the sensor, the transmitter configured to receive the detected one or more glucose levels, the transmitter further configured to transmit signals corresponding to the detected one or more glucose levels, and a receiver operatively coupled to the transmitter configured to receive transmitted signals corresponding to the detected one or more glucose levels, and methods thereof, are disclosed. In one aspect, the transmitter may be configured to transmit a current data point and at least one previous data point, the current data point and the at least one previous data point corresponding to the detected one or more glucose levels.

What is claimed is: 
     
         1 . An analyte monitoring system, comprising:
 an analyte sensor configured to:
 generate signals corresponding to a monitored analyte level in interstitial fluid, and 
 process the signals to form at least one data packet including at least time information for a subsequent transmission time of one or more subsequent data packets and identification information for the analyte sensor; and 
   a receiving device configured to:
 receive the at least one data packet from the analyte sensor, 
 determine a source of the at least one data packet from the identification information, 
 store the identification information for use with at least one subsequent communication with the analyte sensor, 
 identify the subsequent transmission time from the time information, and 
 after the receiving device determines that a predetermined interval has passed since the subsequent transmission time, output an alert to a user. 
   
     
     
         2 . The system of  claim 1 , wherein the receiving device is a wireless receiving device configured to receive the at least one data packet wirelessly from the analyte sensor. 
     
     
         3 . The system of  claim 1 , wherein the alert comprises a vibrational alarm. 
     
     
         4 . The system of  claim 1 , wherein the alert comprises an auditory alarm. 
     
     
         5 . The system of  claim 1 , wherein the monitored analyte level corresponds to a glucose level. 
     
     
         6 . The system of  claim 1 , wherein the subsequent transmission time corresponds to a listening window, and wherein the receiving device is configured to receive the one or more subsequent data packets from the analyte sensor during the listening window. 
     
     
         7 . The system of  claim 1 , wherein the receiving device comprises a display, and wherein the receiving device is configured to display an indicator for the current analyte level data point. 
     
     
         8 . The system of  claim 1 , wherein the receiving device synchronizes with the analyte sensor to receive the one or more data packets. 
     
     
         9 . The system of  claim 1 , wherein the analyte sensor comprises a plurality of electrodes including a working electrode comprising an analyte-responsive enzyme bonded to a polymer disposed on the working electrode, and wherein the analyte-responsive enzyme is chemically bonded to the polymer. 
     
     
         10 . The system of  claim 1 , wherein the analyte sensor comprises a plurality of electrodes including a working electrode comprising a mediator bonded to a polymer disposed on the working electrode. 
     
     
         11 . A receiving device, comprising:
 a processor; and   a memory storing instructions which, when executed by the processor, cause the receiving device to:   receive at least one data packet from an analyte sensor configured to generate signals corresponding to a monitored analyte level in interstitial fluid, the at least one data packet including at least time information for a subsequent transmission time of one or more subsequent data packets and identification information for the analyte sensor;   determine a source of the at least one data packet from the identification information;   store the identification information for use with at least one subsequent communication with the analyte sensor;   identify the subsequent transmission time from the received time information; and   after determining that more than a predetermined interval has passed since the subsequent transmission time, output an alert to a user.   
     
     
         12 . The device of  claim 11 , wherein the receiving device is a wireless receiving device configured to receive the at least one data packet wirelessly from the analyte sensor. 
     
     
         13 . The device of  claim 11 , wherein the alert comprises a vibrational alert. 
     
     
         14 . The device of  claim 11 , wherein the alert comprises an auditory alert. 
     
     
         15 . The device of  claim 11 , wherein the monitored analyte level corresponds to a glucose level. 
     
     
         16 . The device of  claim 11 , wherein the subsequent transmission time corresponds to a listening window, and wherein the memory storing instructions which, when executed by the processor, cause the receiving device to receive the one or more subsequent data packets during the listening window. 
     
     
         17 . The device of  claim 11 , wherein the memory storing instructions which, when executed by the processor, cause the receiving device to synchronize with the analyte sensor to receive the at least one data packet. 
     
     
         18 . The device of  claim 11 , wherein the memory storing instructions which, when executed by the processor, cause the receiving device to receive the one or more subsequent data packets in real time. 
     
     
         19 . The device of  claim 11 , wherein the analyte sensor comprises a plurality of electrodes including a working electrode comprising an analyte-responsive enzyme bonded to a polymer disposed on the working electrode, and wherein the analyte-responsive enzyme is chemically bonded to the polymer. 
     
     
         20 . The device of  claim 11 , wherein the analyte sensor comprises a plurality of electrodes including a working electrode comprising a mediator bonded to a polymer disposed on the working electrode.